Fix failing test naming convention check.

Signed-off-by: Marc Handalian <[email protected]>

server/src/test/java/org/opensearch/index/engine/NRTReplicationEngineTest.java → server/src/test/java/org/opensearch/index/engine/NRTReplicationEngineTests.java

@@ -23,7 +23,7 @@
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.stream.Collectors;
 
-public class NRTReplicationEngineTest extends EngineTestCase {
+public class NRTReplicationEngineTests extends EngineTestCase {
 
     public void testCreateEngine() throws IOException {
         final AtomicLong globalCheckpoint = new AtomicLong(SequenceNumbers.NO_OPS_PERFORMED);